InChI=1S/C14H15N3O8S/c1-3-16(4-2)14(19)10(8-15)5-9-6-11(17(20)21)13(12(18)7-9)25-26(22,23)24/h5-7,18H,3-4H2,1-2H3,(H,22,23,24)